<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>样式、格式化</title>
</head>

<body style="background-color:white;">
    <!-- html样式 -->
    <h1 style="font-family: 'Courier New', Courier, monospace;">this is a heading</h1>
    <h2 style="background-color: bisque;">this is a heading</h2>
    <p style="background-color: rgb(0, 255, 106);">this is a paragraph</p>
    <p style="font-family:Arial, Helvetica, sans-serif;color: red;font-size: large;text-align: center;"> this is a paragraph</p>
    <b>this text is bold</b>
    <br>
    <strong>this text is strong</strong>
    <br>
    <em>this text is emphasized(强调)</em>
    <br>
    <i>this text is italic(斜体)</i>
    <br> this is contain
    <sub>subscript(右下角)</sub> this is contain
    <sup>supscript右上角</sup>
    <p>git test</p>
</body>

</html>